I had this a while back in my '87 735i, asked around among some folks who did 'know' & ended up getting a relatively cheap, very easy, & high-qual result;-
1/ Firstly (after getting organised with a good motor-trimmer / auto-upholsterer) take the car to an auto-glass replacement specialist & have the REAR window removed.
2/ Leave the car with the upholsterer, who dismantles & removes the entire roof-trim OUT thru the rear window hole, puts the cardboard shell face-up in the workshop, & replaces the material with new/modern stuff that doesn't delaminate, & re-instals.
3/ Car goes back to glass shop & has the rear window replaced with a better seal than it had previously.
4/ Pay the guys.
Moral of story is ~ their is OFTEN a better/easier/cheaper result by just going to guys who can easily do what you need coz it IS what they DO do for a living!

HTH, BrooC in NZ ;-))

• The ceiling is falling down - seven44 2007-10-01 03:58:55 (357 views)
  • One more opinion (in all modesty) - eismark 2007-10-01 19:39:34 (268 views)
  • I have a temp solution! - MiB 2007-10-01 16:43:14 (289 views)
    • Great idea!!! (nt) - davidsoine 2007-10-01 21:51:05 (196 views)
  • I also am having this issue. I called an upholstery shop in League City, TX - kevhouston 2007-10-01 16:40:25 (237 views)
    • That's cheap - i gave 750 $ for the OEM thing - DIY! (nt) - eismark 2007-10-01 17:21:55 (204 views)
  • Auto upholstery shop...ask around and find the best place... - davidsoine 2007-10-01 15:17:03 (190 views)
  • Not to be a bore, but there is only 2 hard ways! (url) - eismark 2007-10-01 11:09:52 (5358 views)
  • Mine is starting to go as well. (nt) - Sarasota 2007-10-01 08:01:29 (175 views)
    • Damn enter key...... - Sarasota 2007-10-01 08:05:46 (148 views)
      • join the club (pic) - thesteve 2007-10-01 10:59:50 (410 views)
        • Dude, I'm laughing my ass off........ - Sarasota 2007-10-01 15:38:00 (158 views)
          • Re: Dude, I'm laughing my ass off........ (url) - thesteve 2007-10-01 20:27:57 (229 views)
            • I'm liking the strong magnet idea. I bought some off ebay a few months back. - Sarasota 2007-10-01 22:27:49 (137 views)
              • The headliner is glued to a sort of cardboard/fibre top, wich is 4-6 mms - eismark 2007-10-02 06:17:13 (137 views)
        • I've seen some upholstery shops that specialize in headliners...why not have (nt) - them fix it?.........albo 2007-10-01 14:05:18 (228 views)
  • Re: The ceiling is falling down - eismark 2007-10-01 04:27:25 (228 views)
    • Re: The ceiling is falling down - brooc 2007-10-02 04:07:12 (198 views)